| 3D Prima Technology UK Limited | Wholesale & retail | 2011 |
| 3DSTAR Ltd | Information & communication | 2017 |
| 3F Nottingham Ltd | Hospitality | 2022 |
| 3GP Limited | Construction | 2018 |
| 3HS Properties Limited | Hospitality | 2013 |
| 3M Food Solutions Ltd | Hospitality | 2019 |
| 3S Midland Food Supplies Limited | Wholesale & retail | 2012 |
| 3SIXTY Views Ltd | Information & communication | 2025 |
| 3SPACE Nottingham Limited | Construction | 2013 |
| 3T Insulations Ltd | Construction | 2018 |
| 3TEES Konsult Ltd | Real estate | 2023 |
| 3V Holdings Limited | Financial services | 2019 |
| 3W Growth Limited | Professional & scientific | 2016 |
| 3WAYS Hand Car Wash Limited | Wholesale & retail | 2017 |
| 3WM Consulting Ltd | Professional & scientific | 2019 |
| 3WM Holdings Limited | Financial services | 2020 |
| 3WN Limited | Administrative & support | 2008 |
| 4 FIX Solutions Ltd | Information & communication | 2019 |
| 4 Friends Ltd | Manufacturing | 2017 |
| 4 Huntingdon Drive Management Company Limited | Households | 2013 |
| 4 Seasons Tyres Notts Ltd | Wholesale & retail | 2025 |
| 4 Shire Property Investments Limited | Real estate | 2021 |
| 4 Smart Properties Ltd | Construction | 2020 |
| 4 Stars Ferris Ltd | Hospitality | 2024 |
| 4 X 4 Properties Limited | Real estate | 2012 |
| 4 YOU Clothing Ltd | Manufacturing | 2012 |
| 4.1 Cymbeline House Limited | Real estate | 2021 |
| 4/7 Market Street Limited | Other services | 1984 |
| 40 Aristotle Road Freehold Company Limited | Households | 2012 |
| 40 Bridges Limited | Hospitality | 2022 |
| 40 Magdala Road Management Limited | Households | 1994 |
| 400 Blows Limited | Arts & recreation | 2024 |
| 402 Limited | Health & social care | 2011 |
| 405 Mansfield Road RTM Company Limited | Households | 2017 |
| 41 Digital (Marketing) Ltd | Information & communication | 2025 |
| 41 Karats Ltd | Wholesale & retail | 2025 |
| 42B Ltd | Hospitality | 2019 |
| 432 Trading Limited | Hospitality | 2026 |
| 439 Mansfield Road Limited | Households | 2016 |
| 44 Elements Ltd | Administrative & support | 2018 |
| 440 Performance Limited | Education | 2025 |
| 4550DELHITOWN Limited | Hospitality | 2017 |
| 458/459 High Street Lincoln Management Company Limited | Extraterritorial | 2012 |
| 47 Clifton Road Freeholders Limited | Households | 2019 |
| 48 Mapperley Road Management Company Limited | Real estate | 2008 |
| 49NP Limited | Households | 2021 |
| 4A Property Limited | Real estate | 2020 |
| 4ACT Limited | Professional & scientific | 2023 |
| 4AV Limited | Construction | 2023 |
| 4B (Nottingham) Groundworks Limited | Construction | 2020 |
| 4BFC Developments Limited | Construction | 2008 |
| 4COLES Property Ltd | Real estate | 2021 |
| 4D Bdormant Ltd | Manufacturing | 2020 |
| 4D Biomaterials Ltd | Manufacturing | 2023 |
| 4D Medical Devices Ltd | Manufacturing | 2023 |
| 4D Medicine Ltd | Manufacturing | 2018 |
| 4D Tree Survey Limited | Other services | 2016 |
| 4D Venture Limited | Construction | 2015 |
| 4H Construction & Consultancy Ltd | Construction | 2021 |
| 4HIREFM Ltd | Administrative & support | 2021 |
| 4HIREFM Pbsa and Commercial Specialists Ltd | Administrative & support | 2023 |
| 4K Consulting Ltd | Professional & scientific | 2020 |
| 4K'S Kitchens Ltd | Manufacturing | 2018 |
| 4LGD Holdings Limited | Financial services | 2021 |
| 4LIFE Investments Group Ltd | Financial services | 2026 |
| 4M Property Partners Limited | Real estate | 2013 |
| 4M4G Homes Limited | Real estate | 2017 |
| 4M5G Trading Ltd | Real estate | 2023 |
| 4MERIT EBT Ltd | Financial services | 2023 |
| 4MERIT Holdings Ltd | Financial services | 2022 |
| 4REE Ltd | Manufacturing | 2026 |
| 4RS Holdings Ltd | Financial services | 2026 |
| 4SIGHT ES Limited | Professional & scientific | 2011 |
| 4SIGHTCLEANINGSERVICE Limited | Administrative & support | 2025 |
| 4SUMFITOUT Ltd | Construction | 2018 |
| 4T4 Group Limited | Wholesale & retail | 2026 |
| 4TE Ltd | Other services | 2024 |
| 4TH Wall Theatrics Ltd | Administrative & support | 2025 |
| 4TY 1NE Ltd | Wholesale & retail | 2026 |
| 4U Consultancy Group Ltd | Administrative & support | 2024 |
| 4U Finance Ltd | Administrative & support | 2019 |
| 4WARD Thinking Group Ltd | Financial services | 2015 |
| 4WARD Training and Development Limited | Administrative & support | 2003 |
| 4XD Ltd | Financial services | 2024 |
| 4YOU2STAY Ltd | Households | 2024 |
| 5 Acorn Business Park Ltd | Real estate | 2026 |
| 5 Fishpond Drive Property Management Limited | Administrative & support | 2005 |
| 5 Grosvenor Road Limited | Other services | 1983 |
| 5 Lenton Road RTM Company Limited | Households | 2023 |
| 5 Speed Automotive Engineering Limited | Wholesale & retail | 2020 |
| 5 Star Couriers Limited | Transport & logistics | 2019 |
| 5 Star Hand Car Wash Nottingham Limited | Other services | 2025 |
| 5 Star Rides Ltd | Transport & logistics | 2024 |
| 5 York Parade Ltd | Real estate | 2022 |
| 5 ZEE Ltd | Wholesale & retail | 2024 |
| 50-72 Oak Lodge RTM Company Limited | Households | 2022 |
| 500BP Limited | Transport & logistics | 2024 |
| 5053 LLP | | 2008 |
| 5149 Ltd | Manufacturing | 2020 |
| 53 Stoney Street Management Company Limited | Households | 2000 |